Red Cell Folate, Folic Acid
4 days
ECLIA
Please note that high doses of Biotin supplement may potentially interfere with the results for this test The effect of Biotin interference can be greatly reduced or eliminated if the sample is taken at least 8 hours following the last Biotin administration For more information pleases contact the laboratory
Accredited NRL Laboratory
Monday and Thursday. Cut-off 7pm
Measures folate inside red blood cells. Reflects long-term folate status.
1 frozen whole blood AND 1 refrigerated whole blood
0.5 mL each tube
Two lavender–top (EDTA) tubes
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Refrigerated | Whole Blood - 1 day or Hematocrit Sample - 2 days |
| Frozen | Whole Blood - 30 days |